/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import keywords from './keywords';
import selectList from './selectList';
function handleShowHint(cmInstance) {
  let arr = Object.keys(selectList);
  let cursor = cmInstance.getCursor();
  let list = [...keywords];
  let token = cmInstance.getTokenAt(cursor);
  list = list.filter((item) => item.indexOf(token.string.toLocaleUpperCase()) === 0);
  if (arr.includes(token.string.toLocaleUpperCase())) {
    list = selectList[token.string.toLocaleUpperCase()];
  }
  return {
    list: list,
    from: { ch: token.start, line: cursor.line },
    to: { ch: token.end, line: cursor.line },
  };
}

export default handleShowHint;
